Etrotrust Technologies has wide-ranging expertise with wireless design and implementing Radio-Frequency (RF) Communications solutions. We understand the trade-offs inherent in these designs. You can reach us for your RF system projects such as consumer portables, personal area networks, vehicle telematics, robotics, IoT gateways, radar and microwave applications, Time-of-Flight ranging, scientific test equipment, ultrasound and medical imaging systems (MRI). Product developers should always consider device security, especially when wireless communications are included in the design.
WIRELESS DESIGN EXPERTISE
RF Design
Frequencies up to ~50 GHz
Utilizing RF “building block” ICs:
Transceivers, mixers, PLLs, LNAs, PAs
RF microcontrollers (SoC) – Nordic, TI, Dialog Semiconductor, NXP, etc.
Wi-Fi, GPS and cellular (GSM/GPRS/ HSPA/CDMA) integration
Low power ultra-wideband (UWB) and Doppler radar
RFID, NFC
Microwave (terrestrial and space)
Machine-to-machine (M2M) communication
Circuit simulation, impedance matching, and network tuning
Industrial, scientific and medical (ISM) radio bands
Feasibility assessment by modeling radio system signal propagation based on:
Range
Terrain
Carrier frequency
Power
Collision detection
Application specific communication protocols
Frequency hopping spread spectrum (FHSS)
Listen Before Talk (LBT)
Instrument, analyze, identify and solve bandwidth saturation problems
RF Communication Protocols
ZigBee, IEEE 802.15.4 low-rate wireless personal area network (LR-WPAN)
GSM, GPRS, HSPA, CDMA
IEEE 802.11a/b/g/n
NFC, Bluetooth Low Energy (BLE), Bluetooth wireless technology, IEEE 802.15.1
WiMAX
Software Stacks
TI SimpliciTI and SimpleLink
lwIP (TCP/IP)
Bluetooth GAP and GATT
Wireless Applications
Over-the-Air (OTA) firmware update solutions
Pairing and device bonding
Security – standards based or “purpose-built”
Error detection and recovery
Radio systems
Mesh, master and slave networks
Portable battery-powered devices
Customized network protocols
Our team of engineering experts can help you develop RF solutions to fit a wide range of project needs and specifications.